Čechoslovák and Westske Noviny (West, Tex.), Vol. 38, No. 9, Ed. 1 Friday, March 1, 1957, newspaper, March 1, 1957; (https://texashistory.unt.edu/ark:/67531/metapth783233/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .